Another of these factors is infertility. Generally, female gorillas mature at 10â12 years of age (or earlier at 7â8 years) and their male counterparts mature more slowly, rarely strong and dominant enough to reproduce before 15â20 years of age.
Pain in the leg may be worse than the back pain in cases of herniated disks. There is also some debate about how pain develops from a herniated disk and how frequently it causes low back pain. Many people have disks that bulge or protrude and do not suffer back pain.
The close approximation of the sciatic nerve is the reason that increased tone of the piriformis muscle could cause irritation to the sciatic nerve. Irritation to the sciatic nerve in patients with left psoas syndrome often causes pain that radiates down the back of the right leg and stops at the knee.